A learner understands that adding a one-digit number to a multiple of ten combines a whole number of tens with additional ones: for example, . Place-value representations, such as bundled tens, ten-frames, or a number line, show that the tens remain unchanged while the ones increase; this builds the foundation for composing two-digit numbers and later addition strategies, without extending to larger addends or regrouping.
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Detailed Explanation: Add a one-digit number to a multiple of ten
A multiple of ten has whole groups of and ones. When you add a one-digit number, the groups of ten stay the same, and you add the new ones.
Example:
- is tens and ones.
- Add ones.
- Now there are tens and ones.
- tens and ones make .
So,
Learn by doing: Add a one-digit number to a multiple of ten
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Addition - Whole Number - Add Single Digit to Multiple of Ten
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Download/Modify Free Grade 1 'Add a one-digit number to a multiple of ten' Worksheet
Print this free 'Add a one-digit number to a multiple of ten' worksheet to practice this skill away from the computer. Click 'Modify' to easily customize this worksheet to your exact needs.
This Worksheet Includes:
- Addition - Whole Number - Add Single Digit to Multiple of Ten
- Addition - Whole Number - Add Single Digit to Multiple of Ten - Column
- Base 10 Blocks - Counting - Number to Picture, Tens and Ones
- Base 10 Blocks - Counting - Picture to Word, Tens and Ones
- Words to Number Equivalents - Power of Ten
Units Teaching This Skill
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